If you start a world an you just see black,
close the Pack,
go to:
C:\Users\[username]\AppData\Roaming\.technic\modpacks\minecraft-ev0\mods
and delete the ShadersModCore.
close the Pack,
go to:
C:\Users\[username]\AppData\Roaming\.technic\modpacks\minecraft-ev0\mods
and delete the ShadersModCore.